using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using ChartForgeX.Core;
using ChartForgeX.Primitives;
using ChartForgeX.Rendering;
using ChartForgeX.Themes;
using ChartForgeX.Topology;
using ChartForgeX.Typography;
using ChartForgeX.VisualArtifacts;
using ChartForgeX.VisualBlocks;

// Optional exact gallery typography; copy the gallery's fonts directory beside this program.
FontRegistry.Register("CFX Proof Carlito", "fonts/Carlito-Regular.ttf", 400);
FontRegistry.Register("CFX Proof Carlito", "fonts/Carlito-Bold.ttf", 700);
var mode = VisualThemeMode.Light;
var theme = VisualTheme.Graphite();
var model = BubbleMarkerOptionsRecipe.Create("options", mode);
var context = new VisualRenderContext(
    new VisualLayoutOptions(new VisualSize(800, 440)), theme, mode,
    new VisualFrame("Workload, time and request volume", "Equal request volumes share a radius; values above 100 retain their facts", showLegend: null, showSurface: false), FontSpec.FromFamily("CFX Proof Carlito"));
var prepared = model.Prepare(context);
File.WriteAllText("visual.svg", prepared.ToSvg());
File.WriteAllBytes("visual.png", prepared.ToPng());
File.WriteAllText("visual.html", prepared.ToArtifact("example", VisualArtifactKind.Chart).ToHtmlPage());

/// <summary>Compares standard and priority observations with independent bubble markers.</summary>
public static class BubbleMarkerOptionsRecipe {
    /// <summary>Creates the selected example without choosing a renderer or export backend.</summary>
    public static Chart Create(string variant = "options", VisualThemeMode mode = VisualThemeMode.Light) {
        if (variant is not ("options" or "compact-options")) throw new ArgumentOutOfRangeException(nameof(variant));
        return MarkerOptions().WithValueFormat(ChartValueFormat.Number("0.##", CultureInfo.InvariantCulture));
    }

    private static Chart MarkerOptions() {
        var standard = ChartSeries.CreateBubble(new ChartSeriesId("standard"), "Standard", new[] {
            new ChartBubble(1, 18, 9), new ChartBubble(2, 30, 36), new ChartBubble(3, 24, 81)
        }).ConfigureMarkers(markers => markers.Shape = ChartMarkerShape.Circle);
        var priority = ChartSeries.CreateBubble(new ChartSeriesId("priority"), "Priority", new[] {
            new ChartBubble(1.5, 32, 16), new ChartBubble(2.5, 20, 36), new ChartBubble(3.5, 36, 200)
        }).ConfigureMarkers(markers => markers.Shape = ChartMarkerShape.Diamond);
        return Chart.Create().WithXAxis("Workload batches").WithYAxis("Time (minutes)")
            .AddSeries(standard).AddSeries(priority)
            .ConfigureBubble(bubble => { bubble.WithSizeDomain(0, 100); bubble.MinimumRadius = 3; bubble.MaximumRadius = 24; });
    }
}